Intraoral Anatomy- mandibular- Exam II Flashcards
1
Q
The internal oblique ridge may also be called:
A
mylohyoid ridge
2
Q
In infants, a radiolucent line through the midline of the jaw between the ranges of the forming deciduous central incisors:
A
symphysis
3
Q
What are the arrows indicating in this image?
A
mandibular symphysis (in newborn)
4
Q
What can be seen in this image?
A
mandibular symphysis
5
Q
Bony protuberances located on the lingual surface of the mandible, slightly above the inferior border, and in the midline
A
genial tubercles
6
Q
What surface of the mandible are the genial tubercles located on?
A
lingual surface
7
Q
What can be seen in this image?
A
genial tubercles
8
Q
What are the arrows indicating in this image?
A
genial tubercles
9
Q
What type of image can the genial tubercles be seen on?
A
CBCT
10
Q
What are the arrows indicating in this image? (occlusal radiograph)
A
genial tubercles
11
Q
What are the arrows indicating in this image? (occlusal radiograph)
A
genial tubercles
12
Q
What are the arrows indicating in this image?
A
genial tubercles
13
Q
What are the arrows indicating in this image?
A
genial tubercles
14
Q
What are the arrows indicating in this image?
A
genial tubercles
15
Q
Radiopaque area on the midline of the mandible that looks similar to cortical bone is most likely:
A
genial tubercles
16
Q
A foramen on the lingual of the surface of the midline of the mandible in the region of the genial tubercles:
A
lingual foramen
17
Q
The lingual foramen is located on the lingual surface on the midline of the mandible in the region of:
A
the genial tubercles
18
Q
What does this image represent?
A
lingual foramen
19
Q
label this image:
A
A: lingual foramen
B: mental spine
20
Q
label this image:
A
A: Lingual foramen
B: Sublingual artery
21
Q
What are the arrows indicating in this image?
A
lingual foramen
22
Q
What are the arrows indicating in this image?
A
lingual foramen
23
Q
What are the arrows indicating in this image?
A
lingual foramen
24
Q
What are the arrows indicating in this image?
A
lingual foramen
25
What can be seen in this CBCT section?
lingual foramen
26
On periapical radiographs of the mandibular central incisors, the ____ may occasionally be seen as two radiopaque lines sweeping bilaterally forward and upward toward the midline:
Mental ridge
27
What type of radiographs may capture the mental ridge?
periapical radiographs of the mandibular central incisors
28
A radiopaque inverted V seen on mandibular radiographs:
Mental ridge
29
The following image represents:
mental ridge
30
What are the arrows indicating in this image?
mental ridge (on anterior surface of mandible)
31
The mental ridge can be seen on the ___ surface of the mandible as a radiopaque ridge:
anterior surface
32
What are the arrows indicating in this image?
mental ridge
33
What are the arrows indicating in this image?
mental ridge
34
A depression on the labial aspect of the mandible extending laterally from the midline and above the mental ridge
mental fossa
35
Because the mental fossa is a concavity, the bone itself looks a bit:
radiolucent
36
What can be seen in this image?
mental fossa
37
The mental fossa is a depression on the ___ aspect of the mandible extending laterally from the midline and above the mental ridge:
labial aspect
38
What are the arrows indicating in this image?
mental fossa
39
How does the mental fossa appear radiographically?
radiolucent area with ill-defined borders in the region of the incisor roots
40
What are the arrows indicating in this image?
mental fossa
41
The mental foramen is usually located at the level of the:
premolars
42
Usually the anterior limit of the inferior dental canal:
mental foramen
43
What can be seen in this image?
mental foramen
44
What are the arrows indicating in this image?
mental foramen
45
What are the arrows indicating in this image?
mental foramen
46
What are the arrows indicating in this image?
mental foramen
47
What are the arrows indicating in this image?
mental foramen
48
What are the arrows indicating in this image?
mental foramen
49
What are the arrows indicating in this image?
mental foramen
50
What are the arrows indicating in this image?
mental foramen
51
What are the arrows indicating in this image?
mental foramen
52
What may be confused with pathology when it is superimposed on the apex of a mandibular tooth?
mental foramen (to reassure, check if lamina dura is intact and no caries)
53
Appears radiographically as a dark linear shadow with thin radiopaque superior and inferior borders
mandibular canal
54
The mandibular canal exits at the level of the:
mental foramen
55
What is represented by the following image?
mandibular canal
56
What is represented in the following image?
mandibular canal
57
What are the arrows indicating in this image?
superior and inferior cortical borders of mandibular canal
58
What are the arrows indicating in this image?
corticated borders of mandibular canal (on CBCT)
59
What are the arrows indicating in this image?
mandibular canal (on cone beam cross-section)
60
What are the arrows indicating in this image?
mandibular canal
61
What are the arrows indicating in this image?
mandibular canal
62
What are the arrows indicating in this image?
mandibular canal
63
What are the arrows indicating in this image?
mandibular canal
64
Carry neurovascular bundles and appear as radiolucent lines of fairly uniform width:
Nutrient canals
65
What is represented by 2 & 3 in the following image?
nutrient canals
66
What are the arrows indicating in this image?
nutrient canals
67
What are the arrows indicating in this image?
nutrient canals
68
What are the arrows indicating in this image?
nutrient canals
69
What are the arrows indicating in this image?
nutrient canals
70
What are the arrows indicating in this image?
nutrient canals
71
If a patient has perio bone loss, what will likely be more prominent?
vascular canals
72
A slightly irregular crest of bone on the lingual surface of the mandibular body:
internal oblique ridge (mylohyoid ridge)
73
What are the arrows indicating in this image?
internal oblique ridge
74
What attaches to the internal oblique ridge (mylohyoid ridge?
mylohyoid muscle
75
What are the arrows indicating in this image?
internal oblique ridge (mylohyoid ridge)
76
What are the arrows indicating in this image?
internal oblique ridge (mylohyoid ridge)
77
What are the arrows indicating in this image?
internal oblique ridge (mylohyoid ridge)
78
What are the arrows indicating in this image?
internal oblique ridge (mylohyoid ridge)
79
What are the arrows indicating in this image?
internal oblique ridge (mylohyoid ridge)
80
What runs at the level of the molar apices and above the mandibular canal?
internal oblique ride (mylohyoid ridge)
81
What are the arrows indicating in this image?
internal oblique ridge (mylohyoid ridge)
82
What are the arrows indicating in this image?
internal oblique ridge (mylohyoid ridge)
83
A depression of bone on the lingual surface of the mandibular body, immediately below the internal oblique ridge in the molar area:
submandibular gland fossa
84
What are the arrows indicating in this image?
submandibular gland fossa
85
Indicated by a radiolucent region with ill-define borders and sparse trabecular bone lying inferiorly to the mandibular molars:
submandibular gland fossa
86
What does the radiolucent lesion inferior to the mandibular molars represent?
submandibular gland fossa
87
A continuation of the anterior border of the mandibular ramus:
external oblique ridge
88
What can be seen in this image?
external oblique ridge
89
What are the arrows indicating in this image?
external oblique ridge
90
Seen as a radiopaque line near the alveolar crest in the mandibular 3rd molar region:
external oblique ridge
91
The external oblique ridge lies on the ____ surface of the mandible
buccal
92
What are the arrows indicating in this image?
external oblique ridge
93
What are the arrows indicating in this image?
external oblique ridge
94
What are the arrows indicating in this image?
external oblique ridge
95
What are the arrows indicating in this image?
external oblique ridge
96
occasionally seen on periapical projections as a characteristically dense, broad radiopaque band of bone:
inferior border of the mandible
97
What does this image represent?
inferior border of the mandible
98
What are the arrows indicating in this image?
inferior border of the mandible
99
What are the arrows indicating in this image?
inferior border of the mandible
100
What are the arrows indicating in this image?
inferior border of the mandible
101
What are the arrows indicating in this image?
inferior border of the mandible
102
A triangular radiopacity, with its apex directed superiorly and and anteriorly, superimposed on the region on of the 3rd molar:
coronoid process
103
What are the arrows indicating in this image?
coronoid process
104
bony outgrowths on the lingual surface of the mandible:
mandibular tori
105
Mandibular tori can be described as often:
often bilateral and symmetrical
106
What can be seen in this image?
mandibular tori
107
What surface do mandibular tori protrude from?
lingual surface
108
What can be seen in this occlusal radiograph?
mandibular tori
109
What are these large radiopaque entities on this radiograph?
mandibular tori
110
What are these large radiopaque entities on this radiograph?
mandibular tori
111
What are these large radiopaque entities on this radiograph?
mandibular tori
